y=（sin）^2*x,dy=

y=sin[sin(x^2)] 则dy/dx=? sin(x^2+y^2)=x,求dy y = x^2 sin 4x,求dy, x=sin(y/x)+e^2 求dy/dx y=sin^2 {x/(x+1)} 求dy y=sin(x^2),求dy/d(x^3) y=x*sin(lnx) 求dy 设sin（x^2+y）=x,求隐函数y的微积分dy y=sin(x^2),dy/dx=? y=sin(x^2+1) 求dy y=[sin(x^4)]^2,则dy/dx=?,dy^2/dx^2=?,dy/d(x^2)=? 求解下列微分方程 ①dy/dx=(x+y)/(x-y)②（x-y)ydx-x^2dy=0③dy/dt+ytant=sin